Model Number: T1 CH Key Specifications/Special Features: GSM GPRS MTK MT2503 500mAh mini GPS tracker 　Product positioningMini GPS tracker Main features Delicate appearance pendant, GPS + WIFI + LBS multimode precise positioning, static dormancy save electricity design, real-time positioning, intelligent monitoring 1. structure division structure parts category specification remarks ID design delicacy and smart(On IML process) 　 Whole machine size 38*38*16mm 　 Weight 22g without package, 130g with package box 　 color Color Optional 　 button one button(power/SOS button) 　 screen no 　 GPS antenna High sensitive ceramics active antenna 　 GSM antenna FPC antenna 　 battery 500mAh 　 SIM card slot 1 pc 　 G-sensor support 　 I/O port USB charge 　 2. Hardware parts Hardware parts CPU MTK MT2503 　 GPS chip MTK3337 　 GPRS Class12 　 GPS signal L1,1575.42MHz C/A 　 GPS channel number 22 channels 　 GPS chip receive sensitivity Tracking sensitivity:-165dBm，capture sensitivity：-148dBm 　 GPS location accuracy 5～15M 　 LBS location accuracy 100-1000M 　 Minimum standby current less than 0.5 mA 　 Average standby current less than 2.5 mA 　 Average working current around 55mA 　 Working temperature -20～70℃ 　 Working humidity 5% to 95% non-congealable 　 Test and certification can approval by 3C,CE&ROSH 　 GPS antenna Built-in high sensitivity FPC antenna 　 GSM antenna Built-in four frequency method of antenna 　 Bluetooth Bluetooth 3.0（Normal closed） 　 G-sensor Support 　 MIC Support 　 3. software parts Software parts supported operating systems Support android 2.3 and above system, IOS5.0 and above. 　 call function double talk/The remote monitoring 　 Language support Simplified Chinese and English Compatible with support for multi-languages GSM+GPRS+GPS GPS+LBS+WIFI Multi-modal positioning 　 support AGPS Cold start 26 seconds positioning 　 call function SOS call, voice monitor, whitelist for don't disturb 　 power management Ultra-low power consumption of power management, intelligent dormancy 　 One key emergency SOS one key emergency function ,autodialing 　 Smart Geo-fence Outside the range setting can be automatic alarm 　 historical route Can check history of three months 　 wireless upgrading Software upgrade, remote debugging maintenance, remote setting parameters